3961969355 has 8 divisors (see below), whose sum is σ = 4766910000. Its totient is φ = 3161210976.

The previous prime is 3961969331. The next prime is 3961969421. The reversal of 3961969355 is 5539691693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3961969355 - 2¹⁴ = 3961952971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3961969355.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043480 + ... + 1047269.

It is an arithmetic number, because the mean of its divisors is an integer number (595863750).

Almost surely, 2^3961969355 is an apocalyptic number.

3961969355 is a deficient number, since it is larger than the sum of its proper divisors (804940645).

3961969355 is a wasteful number, since it uses less digits than its factorization.

3961969355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091133.

The product of its digits is 5904900, while the sum is 56.

The square root of 3961969355 is about 62944.1764979096. The cubic root of 3961969355 is about 1582.3541996021.

The spelling of 3961969355 in words is "three billion, nine hundred sixty-one million, nine hundred sixty-nine thousand, three hundred fifty-five".